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102025601 = 739138059
BaseRepresentation
bin1100001010011…
…00100110000001
321002222102210222
412011030212001
5202104304401
614042432425
72346126506
oct605144601
9232872728
10102025601
1152655387
122a202715
13181a27a2
14d79b4ad
158e54c1b
hex614c981

102025601 has 4 divisors (see below), whose sum is σ = 102164400. Its totient is φ = 101886804.

The previous prime is 102025597. The next prime is 102025607. The reversal of 102025601 is 106520201.

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.

It is a cyclic number.

It is not a de Polignac number, because 102025601 - 22 = 102025597 is a prime.

It is a super-2 number, since 2×1020256012 = 20818446518822402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102025601.

It is not an unprimeable number, because it can be changed into a prime (102025607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68291 + ... + 69768.

It is an arithmetic number, because the mean of its divisors is an integer number (25541100).

Almost surely, 2102025601 is an apocalyptic number.

It is an amenable number.

102025601 is a deficient number, since it is larger than the sum of its proper divisors (138799).

102025601 is an equidigital number, since it uses as much as digits as its factorization.

102025601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138798.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 102025601 is about 10100.7722972058. The cubic root of 102025601 is about 467.2719598557.

Adding to 102025601 its reverse (106520201), we get a palindrome (208545802).

The spelling of 102025601 in words is "one hundred two million, twenty-five thousand, six hundred one".

Divisors: 1 739 138059 102025601