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61074340 = 2253198507
BaseRepresentation
bin1110100011111…
…0101110100100
311020220220020121
43220332232210
5111113334330
610021011324
71341060205
oct350765644
9136826217
1061074340
1131525068
1218553b44
13c864c82
14817b5ac
15556617a
hex3a3eba4

61074340 has 24 divisors (see below), whose sum is σ = 132394752. Its totient is φ = 23641440.

The previous prime is 61074337. The next prime is 61074373. The reversal of 61074340 is 4347016.

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, 48634 + ... + 49873.

It is an arithmetic number, because the mean of its divisors is an integer number (5516448).

Almost surely, 261074340 is an apocalyptic number.

It is an amenable number.

61074340 is an abundant number, since it is smaller than the sum of its proper divisors (71320412).

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

61074340 is a wasteful number, since it uses less digits than its factorization.

61074340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98547 (or 98545 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 61074340 is about 7815.0073576421. The cubic root of 61074340 is about 393.8095655246.

The spelling of 61074340 in words is "sixty-one million, seventy-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 98507 197014 394028 492535 985070 1970140 3053717 6107434 12214868 15268585 30537170 61074340