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49999970 = 2543116279
BaseRepresentation
bin1011111010111…
…1000001100010
310111002021001202
42332233001202
5100244444340
64543401202
71144664336
oct276570142
9114067052
1049999970
1126250799
12148b3202
13a4883a7
1468d77c6
1545c9c15
hex2faf062

49999970 has 16 divisors (see below), whose sum is σ = 92093760. Its totient is φ = 19534704.

The previous prime is 49999921. The next prime is 49999991. The reversal of 49999970 is 7999994.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57710 + ... + 58569.

It is an arithmetic number, because the mean of its divisors is an integer number (5755860).

Almost surely, 249999970 is an apocalyptic number.

49999970 is a deficient number, since it is larger than the sum of its proper divisors (42093790).

49999970 is a wasteful number, since it uses less digits than its factorization.

49999970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116329.

The product of its (nonzero) digits is 1653372, while the sum is 56.

The square root of 49999970 is about 7071.0656905448. The cubic root of 49999970 is about 368.4030761834.

The spelling of 49999970 in words is "forty-nine million, nine hundred ninety-nine thousand, nine hundred seventy".

Divisors: 1 2 5 10 43 86 215 430 116279 232558 581395 1162790 4999997 9999994 24999985 49999970