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61393036 = 2215348259
BaseRepresentation
bin1110101000110…
…0100010001100
311021112002102011
43222030202030
5111204034121
610031511004
71343555305
oct352144214
9137462364
1061393036
1131722551
1218688464
13c947053
1482217ac
1555ca7e1
hex3a8c88c

61393036 has 6 divisors (see below), whose sum is σ = 107437820. Its totient is φ = 30696516.

The previous prime is 61393021. The next prime is 61393043. The reversal of 61393036 is 63039316.

It is a junction number, because it is equal to n+sod(n) for n = 61392989 and 61393007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7674126 + ... + 7674133.

Almost surely, 261393036 is an apocalyptic number.

It is an amenable number.

61393036 is a deficient number, since it is larger than the sum of its proper divisors (46044784).

61393036 is a wasteful number, since it uses less digits than its factorization.

61393036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15348263 (or 15348261 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 61393036 is about 7835.3708272168. The cubic root of 61393036 is about 394.4933653063.

The spelling of 61393036 in words is "sixty-one million, three hundred ninety-three thousand, thirty-six".

Divisors: 1 2 4 15348259 30696518 61393036