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61315059 = 3132120937
BaseRepresentation
bin1110100111100…
…1011111110011
311021101010110010
43221321133303
5111144040214
610030110003
71343112051
oct351713763
9137333403
1061315059
1131679a03
121864b303
13c91a700
1482011d1
1555b2659
hex3a797f3

61315059 has 12 divisors (see below), whose sum is σ = 88526616. Its totient is φ = 37732032.

The previous prime is 61315013. The next prime is 61315069. The reversal of 61315059 is 95051316.

It is not a de Polignac number, because 61315059 - 220 = 60266483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61315069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59962 + ... + 60975.

It is an arithmetic number, because the mean of its divisors is an integer number (7377218).

Almost surely, 261315059 is an apocalyptic number.

61315059 is a deficient number, since it is larger than the sum of its proper divisors (27211557).

61315059 is a wasteful number, since it uses less digits than its factorization.

61315059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120966 (or 120953 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 30.

The square root of 61315059 is about 7830.3932851422. The cubic root of 61315059 is about 394.3262755516.

The spelling of 61315059 in words is "sixty-one million, three hundred fifteen thousand, fifty-nine".

Divisors: 1 3 13 39 169 507 120937 362811 1572181 4716543 20438353 61315059