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102340388 = 22891032791
BaseRepresentation
bin1100001100110…
…01011100100100
321010120102121202
412012121130210
5202144343023
614053302032
72351610323
oct606313444
9233512552
10102340388
115284a937
122a334918
1318282b57
14d8400ba
158eb8128
hex6199724

102340388 has 24 divisors (see below), whose sum is σ = 182931840. Its totient is φ = 50086080.

The previous prime is 102340367. The next prime is 102340417. The reversal of 102340388 is 883043201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 102340388.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35273 + ... + 38063.

It is an arithmetic number, because the mean of its divisors is an integer number (7622160).

Almost surely, 2102340388 is an apocalyptic number.

It is an amenable number.

102340388 is a deficient number, since it is larger than the sum of its proper divisors (80591452).

102340388 is a wasteful number, since it uses less digits than its factorization.

102340388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2987 (or 2985 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 102340388 is about 10116.3426197416. The cubic root of 102340388 is about 467.7520358326.

Adding to 102340388 its reverse (883043201), we get a palindrome (985383589).

The spelling of 102340388 in words is "one hundred two million, three hundred forty thousand, three hundred eighty-eight".

Divisors: 1 2 4 89 103 178 206 356 412 2791 5582 9167 11164 18334 36668 248399 287473 496798 574946 993596 1149892 25585097 51170194 102340388