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1674931442 = 24326732
BaseRepresentation
bin110001111010101…
…0110110011110010
311022201200022222212
41203311112303302
511412240301232
6434111332122
756335453022
oct14365266362
94281608885
101674931442
1178a500868
123a8b21042
132090100c2
1411c63ba82
159c0a0eb2
hex63d56cf2

1674931442 has 18 divisors (see below), whose sum is σ = 2576011437. Its totient is φ = 816774336.

The previous prime is 1674931441. The next prime is 1674931481. The reversal of 1674931442 is 2441394761.

It can be written as a sum of positive squares in 2 ways, for example, as 1623364681 + 51566761 = 40291^2 + 7181^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=28939.

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 1674931442.

It is not an unprimeable number, because it can be changed into a prime (1674931441) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2488418 + ... + 2489090.

Almost surely, 21674931442 is an apocalyptic number.

1674931442 is a deficient number, since it is larger than the sum of its proper divisors (901079995).

1674931442 is an frugal number, since it uses more digits than its factorization.

1674931442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434 (or 718 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 1674931442 is about 40925.9262815150. The cubic root of 1674931442 is about 1187.5876658752.

The spelling of 1674931442 in words is "one billion, six hundred seventy-four million, nine hundred thirty-one thousand, four hundred forty-two".

Divisors: 1 2 43 86 673 1346 1849 3698 28939 57878 452929 905858 1244377 2488754 19475947 38951894 837465721 1674931442