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61042036 = 221117791033
BaseRepresentation
bin1110100011011…
…0110101110100
311020212020221011
43220312311310
5111111321121
610020202004
71340564056
oct350666564
9136766834
1061042036
1131502870
1218539304
13c853363
14816d8d6
15555b7e1
hex3a36d74

61042036 has 48 divisors (see below), whose sum is σ = 125072640. Its totient is φ = 25758720.

The previous prime is 61042021. The next prime is 61042057. The reversal of 61042036 is 63024016.

It is a super-2 number, since 2×610420362 = 7452260318050592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 61041998 and 61042016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58576 + ... + 59608.

It is an arithmetic number, because the mean of its divisors is an integer number (2605680).

Almost surely, 261042036 is an apocalyptic number.

It is an amenable number.

61042036 is an abundant number, since it is smaller than the sum of its proper divisors (64030604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61042036 is a wasteful number, since it uses less digits than its factorization.

61042036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144 (or 1142 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 61042036 is about 7812.9402915932. The cubic root of 61042036 is about 393.7401208238.

The spelling of 61042036 in words is "sixty-one million, forty-two thousand, thirty-six".

Divisors: 1 2 4 11 17 22 34 44 68 79 158 187 316 374 748 869 1033 1343 1738 2066 2686 3476 4132 5372 11363 14773 17561 22726 29546 35122 45452 59092 70244 81607 163214 193171 326428 386342 772684 897677 1387319 1795354 2774638 3590708 5549276 15260509 30521018 61042036