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61070554 = 2891033331
BaseRepresentation
bin1110100011110…
…1110011011010
311020220201001101
43220331303122
5111113224204
610020542014
71341043156
oct350756332
9136821041
1061070554
1131522236
121855190a
13c86332c
14817a066
155564ea4
hex3a3dcda

61070554 has 16 divisors (see below), whose sum is σ = 93562560. Its totient is φ = 29890080.

The previous prime is 61070509. The next prime is 61070561. The reversal of 61070554 is 45507016.

It is a super-2 number, since 2×610705542 = 7459225131733832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16669 + ... + 19999.

It is an arithmetic number, because the mean of its divisors is an integer number (5847660).

Almost surely, 261070554 is an apocalyptic number.

61070554 is a deficient number, since it is larger than the sum of its proper divisors (32492006).

61070554 is a wasteful number, since it uses less digits than its factorization.

61070554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3525.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 61070554 is about 7814.7651276286. The cubic root of 61070554 is about 393.8014279346.

The spelling of 61070554 in words is "sixty-one million, seventy thousand, five hundred fifty-four".

Divisors: 1 2 89 103 178 206 3331 6662 9167 18334 296459 343093 592918 686186 30535277 61070554