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90614974 = 245307487
BaseRepresentation
bin1010110011010…
…10110010111110
320022111201101011
411121222302332
5141144134344
612554105434
72150133412
oct531526276
9208451334
1090614974
114717140a
122641b27a
1315a08b38
14c06ad42
157e4dd34
hex566acbe

90614974 has 4 divisors (see below), whose sum is σ = 135922464. Its totient is φ = 45307486.

The previous prime is 90614959. The next prime is 90614977. The reversal of 90614974 is 47941609.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×906149742 = 16422147026041352, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90614977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22653742 + ... + 22653745.

It is an arithmetic number, because the mean of its divisors is an integer number (33980616).

Almost surely, 290614974 is an apocalyptic number.

90614974 is a deficient number, since it is larger than the sum of its proper divisors (45307490).

90614974 is a wasteful number, since it uses less digits than its factorization.

90614974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45307489.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 90614974 is about 9519.1897764463. The cubic root of 90614974 is about 449.1588798236.

The spelling of 90614974 in words is "ninety million, six hundred fourteen thousand, nine hundred seventy-four".

Divisors: 1 2 45307487 90614974