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72466090 = 257246609
BaseRepresentation
bin1000101000110…
…11111010101010
312001100122210021
410110123322222
5122022403330
611105111054
71536644254
oct424337252
9161318707
1072466090
11379a5934
122032848a
1312023158
1498a4cd4
15656667a
hex451beaa

72466090 has 8 divisors (see below), whose sum is σ = 130438980. Its totient is φ = 28986432.

The previous prime is 72466039. The next prime is 72466103. The reversal of 72466090 is 9066427.

It can be written as a sum of positive squares in 2 ways, for example, as 72029169 + 436921 = 8487^2 + 661^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3623295 + ... + 3623314.

Almost surely, 272466090 is an apocalyptic number.

72466090 is a deficient number, since it is larger than the sum of its proper divisors (57972890).

72466090 is a wasteful number, since it uses less digits than its factorization.

72466090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7246616.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 72466090 is about 8512.7016863038. The cubic root of 72466090 is about 416.9125254775.

The spelling of 72466090 in words is "seventy-two million, four hundred sixty-six thousand, ninety".

Divisors: 1 2 5 10 7246609 14493218 36233045 72466090