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103025512 = 2312878189
BaseRepresentation
bin1100010010000…
…00101101101000
321011212020102201
412021000231220
5202333304022
614120105544
72360462632
oct611005550
9234766381
10103025512
1153178657
122a6052b4
1318462955
14d97ba52
1590a1127
hex6240b68

103025512 has 8 divisors (see below), whose sum is σ = 193172850. Its totient is φ = 51512752.

The previous prime is 103025509. The next prime is 103025537. The reversal of 103025512 is 215520301.

It can be written as a sum of positive squares in only one way, i.e., 95374756 + 7650756 = 9766^2 + 2766^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1030255122 = 21228512245724288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103025512.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6439087 + ... + 6439102.

Almost surely, 2103025512 is an apocalyptic number.

It is an amenable number.

103025512 is a deficient number, since it is larger than the sum of its proper divisors (90147338).

103025512 is a wasteful number, since it uses less digits than its factorization.

103025512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12878195 (or 12878191 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 103025512 is about 10150.1483732998. The cubic root of 103025512 is about 468.7935134243.

Adding to 103025512 its reverse (215520301), we get a palindrome (318545813).

The spelling of 103025512 in words is "one hundred three million, twenty-five thousand, five hundred twelve".

Divisors: 1 2 4 8 12878189 25756378 51512756 103025512