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30090410 = 257261409
BaseRepresentation
bin111001011001…
…0010010101010
32002121202021122
41302302102222
530200343120
62552535242
7513523100
oct162622252
962552248
1030090410
1115a92409
12a0b1522
13630719c
143dd3c70
152995a25
hex1cb24aa

30090410 has 24 divisors (see below), whose sum is σ = 63006660. Its totient is φ = 10316544.

The previous prime is 30090407. The next prime is 30090419. The reversal of 30090410 is 1409003.

It can be written as a sum of positive squares in 2 ways, for example, as 28376929 + 1713481 = 5327^2 + 1309^2 .

It is not an unprimeable number, because it can be changed into a prime (30090419) 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, 30215 + ... + 31194.

Almost surely, 230090410 is an apocalyptic number.

30090410 is an abundant number, since it is smaller than the sum of its proper divisors (32916250).

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

30090410 is a wasteful number, since it uses less digits than its factorization.

30090410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61430 (or 61423 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 30090410 is about 5485.4726323262. The cubic root of 30090410 is about 311.0350763262.

Adding to 30090410 its reverse (1409003), we get a palindrome (31499413).

The spelling of 30090410 in words is "thirty million, ninety thousand, four hundred ten".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 61409 122818 307045 429863 614090 859726 2149315 3009041 4298630 6018082 15045205 30090410