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268815412 = 2267203853
BaseRepresentation
bin10000000001011…
…100110000110100
3200201211020102101
4100001130300310
51022304043122
642401351444
76442615255
oct2001346064
9621736371
10268815412
11128814aa8
1276038584
13438cc898
14279b6b2c
15188ee027
hex1005cc34

268815412 has 6 divisors (see below), whose sum is σ = 470426978. Its totient is φ = 134407704.

The previous prime is 268815383. The next prime is 268815427. The reversal of 268815412 is 214518862.

It can be written as a sum of positive squares in only one way, i.e., 261274896 + 7540516 = 16164^2 + 2746^2 .

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, 33601923 + ... + 33601930.

Almost surely, 2268815412 is an apocalyptic number.

It is an amenable number.

268815412 is a deficient number, since it is larger than the sum of its proper divisors (201611566).

268815412 is a wasteful number, since it uses less digits than its factorization.

268815412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67203857 (or 67203855 counting only the distinct ones).

The product of its digits is 30720, while the sum is 37.

The square root of 268815412 is about 16395.5912366709. The cubic root of 268815412 is about 645.3837925800.

The spelling of 268815412 in words is "two hundred sixty-eight million, eight hundred fifteen thousand, four hundred twelve".

Divisors: 1 2 4 67203853 134407706 268815412