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370420731 = 3261674719
BaseRepresentation
bin10110000101000…
…010101111111011
3221211000022201100
4112011002233323
51224311430411
6100431222443
712115344552
oct2605025773
9854008640
10370420731
1118010263a
12a4077a23
135b985c85
14372a4d99
15227be456
hex16142bfb

370420731 has 12 divisors (see below), whose sum is σ = 543824320. Its totient is φ = 242898480.

The previous prime is 370420723. The next prime is 370420733. The reversal of 370420731 is 137024073.

It is not a de Polignac number, because 370420731 - 23 = 370420723 is a prime.

It is a super-2 number, since 2×3704207312 = 274423035909148722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 370420695 and 370420704.

It is not an unprimeable number, because it can be changed into a prime (370420733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 336811 + ... + 337908.

Almost surely, 2370420731 is an apocalyptic number.

370420731 is a deficient number, since it is larger than the sum of its proper divisors (173403589).

370420731 is a wasteful number, since it uses less digits than its factorization.

370420731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674786 (or 674783 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 370420731 is about 19246.3173360516. The cubic root of 370420731 is about 718.1774448084.

The spelling of 370420731 in words is "three hundred seventy million, four hundred twenty thousand, seven hundred thirty-one".

Divisors: 1 3 9 61 183 549 674719 2024157 6072471 41157859 123473577 370420731