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105243902 = 253992867
BaseRepresentation
bin1100100010111…
…10010011111110
321100000221111022
412101132103332
5203420301102
614235424142
72415362351
oct621362376
9240027438
10105243902
1154453335
122b2b5052
1318a5b5ca
14dd98298
15938d5a2
hex645e4fe

105243902 has 8 divisors (see below), whose sum is σ = 160844616. Its totient is φ = 51629032.

The previous prime is 105243893. The next prime is 105243911. The reversal of 105243902 is 209342501.

It is an interprime number because it is at equal distance from previous prime (105243893) and next prime (105243911).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1052439022 = 22152557816371208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496328 + ... + 496539.

It is an arithmetic number, because the mean of its divisors is an integer number (20105577).

Almost surely, 2105243902 is an apocalyptic number.

105243902 is a deficient number, since it is larger than the sum of its proper divisors (55600714).

105243902 is an equidigital number, since it uses as much as digits as its factorization.

105243902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992922.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 105243902 is about 10258.8450617016. The cubic root of 105243902 is about 472.1344028577.

The spelling of 105243902 in words is "one hundred five million, two hundred forty-three thousand, nine hundred two".

Divisors: 1 2 53 106 992867 1985734 52621951 105243902