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103029077 = 195422583
BaseRepresentation
bin1100010010000…
…01100101010101
321011212102022202
412021001211111
5202333412302
614120134245
72360506214
oct611014525
9234772282
10103029077
11531802a8
122a607385
1318464468
14d97d07b
1590a2202
hex6241955

103029077 has 4 divisors (see below), whose sum is σ = 108451680. Its totient is φ = 97606476.

The previous prime is 103029071. The next prime is 103029079. The reversal of 103029077 is 770920301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 770920301 = 1745348253.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103029077 is a prime.

It is a super-2 number, since 2×1030290772 = 21229981414943858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103029071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2711273 + ... + 2711310.

It is an arithmetic number, because the mean of its divisors is an integer number (27112920).

Almost surely, 2103029077 is an apocalyptic number.

It is an amenable number.

103029077 is a deficient number, since it is larger than the sum of its proper divisors (5422603).

103029077 is an equidigital number, since it uses as much as digits as its factorization.

103029077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5422602.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 103029077 is about 10150.3239849770. The cubic root of 103029077 is about 468.7989205950.

Adding to 103029077 its reverse (770920301), we get a palindrome (873949378).

The spelling of 103029077 in words is "one hundred three million, twenty-nine thousand, seventy-seven".

Divisors: 1 19 5422583 103029077