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100143412 = 2225035853
BaseRepresentation
bin1011111100000…
…01000100110100
320222102210221021
411332001010310
5201114042122
613534230524
72324130205
oct576010464
9228383837
10100143412
115158a256
1229655444
1317993b75
14d42b5ac
158bd21c7
hex5f81134

100143412 has 6 divisors (see below), whose sum is σ = 175250978. Its totient is φ = 50071704.

The previous prime is 100143397. The next prime is 100143457. The reversal of 100143412 is 214341001.

It can be written as a sum of positive squares in only one way, i.e., 80748196 + 19395216 = 8986^2 + 4404^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12517923 + ... + 12517930.

Almost surely, 2100143412 is an apocalyptic number.

It is an amenable number.

100143412 is a deficient number, since it is larger than the sum of its proper divisors (75107566).

100143412 is a wasteful number, since it uses less digits than its factorization.

100143412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25035857 (or 25035855 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 100143412 is about 10007.1680309666. The cubic root of 100143412 is about 464.3806638877.

Adding to 100143412 its reverse (214341001), we get a palindrome (314484413).

The spelling of 100143412 in words is "one hundred million, one hundred forty-three thousand, four hundred twelve".

Divisors: 1 2 4 25035853 50071706 100143412