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401374250 = 2531794441
BaseRepresentation
bin10111111011000…
…111110000101010
31000222020220221222
4113323013300222
51310222434000
6103454502042
712642424214
oct2773076052
91028226858
10401374250
11196624462
12b2504922
1365202c74
143b4415b4
1525385a85
hex17ec7c2a

401374250 has 32 divisors (see below), whose sum is σ = 795579408. Its totient is φ = 151104000.

The previous prime is 401374249. The next prime is 401374279. The reversal of 401374250 is 52473104.

It can be written as a sum of positive squares in 8 ways, for example, as 118091689 + 283282561 = 10867^2 + 16831^2 .

It is a super-2 number, since 2×4013742502 = 322202577126125000, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42971 + ... + 51470.

Almost surely, 2401374250 is an apocalyptic number.

401374250 is a deficient number, since it is larger than the sum of its proper divisors (394205158).

401374250 is a wasteful number, since it uses less digits than its factorization.

401374250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94475 (or 94465 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 401374250 is about 20034.3267917841. The cubic root of 401374250 is about 737.6491319597.

The spelling of 401374250 in words is "four hundred one million, three hundred seventy-four thousand, two hundred fifty".

Divisors: 1 2 5 10 17 25 34 50 85 125 170 250 425 850 2125 4250 94441 188882 472205 944410 1605497 2361025 3210994 4722050 8027485 11805125 16054970 23610250 40137425 80274850 200687125 401374250