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396790274 = 2252178697
BaseRepresentation
bin10111101001101…
…000101000000010
31000122122000221002
4113221220220002
51303034242044
6103212332002
712555442646
oct2751505002
91018560832
10396790274
11193a83451
12b0a74002
136428965a
143a9aac26
1524c7c74e
hex17a68a02

396790274 has 8 divisors (see below), whose sum is σ = 595429068. Its totient is φ = 198313920.

The previous prime is 396790253. The next prime is 396790307. The reversal of 396790274 is 472097693.

It can be written as a sum of positive squares in 2 ways, for example, as 240715225 + 156075049 = 15515^2 + 12493^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34307 + ... + 44390.

Almost surely, 2396790274 is an apocalyptic number.

396790274 is a deficient number, since it is larger than the sum of its proper divisors (198638794).

396790274 is a wasteful number, since it uses less digits than its factorization.

396790274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81220.

The product of its (nonzero) digits is 571536, while the sum is 47.

The square root of 396790274 is about 19919.5952268112. The cubic root of 396790274 is about 734.8302160780.

The spelling of 396790274 in words is "three hundred ninety-six million, seven hundred ninety thousand, two hundred seventy-four".

Divisors: 1 2 2521 5042 78697 157394 198395137 396790274