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94072431 = 361514057
BaseRepresentation
bin1011001101101…
…10111001101111
320120000101010010
411212312321233
5143040304211
613200144303
72221413435
oct546667157
9216011103
1094072431
1149113012
1227608093
131664977b
14c6cad55
1583d34a6
hex59b6e6f

94072431 has 8 divisors (see below), whose sum is σ = 127486384. Its totient is φ = 61686720.

The previous prime is 94072423. The next prime is 94072469. The reversal of 94072431 is 13427049.

It is a happy number.

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

It is not a de Polignac number, because 94072431 - 23 = 94072423 is a prime.

It is a super-2 number, since 2×940724312 = 17699244548499522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94072411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256846 + ... + 257211.

It is an arithmetic number, because the mean of its divisors is an integer number (15935798).

Almost surely, 294072431 is an apocalyptic number.

94072431 is a deficient number, since it is larger than the sum of its proper divisors (33413953).

94072431 is a wasteful number, since it uses less digits than its factorization.

94072431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514121.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 94072431 is about 9699.0943391638. The cubic root of 94072431 is about 454.8003487473.

The spelling of 94072431 in words is "ninety-four million, seventy-two thousand, four hundred thirty-one".

Divisors: 1 3 61 183 514057 1542171 31357477 94072431