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102231400 = 23521926903
BaseRepresentation
bin1100001011111…
…10110101101000
321010100220010011
412011332311220
5202132401100
614051101304
72350644505
oct605766550
9233326104
10102231400
1152785a67
122a2a1834
131824536b
14d8124ac
158e95bba
hex617ed68

102231400 has 48 divisors (see below), whose sum is σ = 250207200. Its totient is φ = 38738880.

The previous prime is 102231373. The next prime is 102231401. The reversal of 102231400 is 4132201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102231401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9652 + ... + 17251.

It is an arithmetic number, because the mean of its divisors is an integer number (5212650).

Almost surely, 2102231400 is an apocalyptic number.

102231400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102231400 is an abundant number, since it is smaller than the sum of its proper divisors (147975800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102231400 is a wasteful number, since it uses less digits than its factorization.

102231400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26938 (or 26929 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 102231400 is about 10110.9544554409. The cubic root of 102231400 is about 467.5859317574.

Adding to 102231400 its reverse (4132201), we get a palindrome (106363601).

The spelling of 102231400 in words is "one hundred two million, two hundred thirty-one thousand, four hundred".

Divisors: 1 2 4 5 8 10 19 20 25 38 40 50 76 95 100 152 190 200 380 475 760 950 1900 3800 26903 53806 107612 134515 215224 269030 511157 538060 672575 1022314 1076120 1345150 2044628 2555785 2690300 4089256 5111570 5380600 10223140 12778925 20446280 25557850 51115700 102231400