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61023628 = 22138111047
BaseRepresentation
bin1110100011001…
…0010110001100
311020211022200101
43220302112030
5111110224003
610015540444
71340456311
oct350622614
9136738611
1061023628
113149aa56
121852a724
13c847b73
148166d08
15555611d
hex3a3258c

61023628 has 12 divisors (see below), whose sum is σ = 106878352. Its totient is φ = 30486960.

The previous prime is 61023601. The next prime is 61023643. The reversal of 61023628 is 82632016.

61023628 is a nontrivial binomial coefficient, being equal to C(11048, 2).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 61023596 and 61023605.

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, 1 + ... + 11047.

Almost surely, 261023628 is an apocalyptic number.

61023628 is the 11047-th triangular number and also the 5524-th hexagonal number.

61023628 is the 3683-rd centered nonagonal number.

It is an amenable number.

61023628 is a deficient number, since it is larger than the sum of its proper divisors (45854724).

61023628 is a wasteful number, since it uses less digits than its factorization.

61023628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12432 (or 12430 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 61023628 is about 7811.7621571576. The cubic root of 61023628 is about 393.7005377358.

It can be divided in two parts, 6102 and 3628, that added together give a triangular number (9730 = T139).

The spelling of 61023628 in words is "sixty-one million, twenty-three thousand, six hundred twenty-eight".

Divisors: 1 2 4 1381 2762 5524 11047 22094 44188 15255907 30511814 61023628