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61502064 = 2431398561
BaseRepresentation
bin1110101010011…
…1001001110000
311021201121222020
43222213021300
5111221031224
610034111440
71344521211
oct352471160
9137647866
1061502064
1131797458
121871b580
13c984870
14824d408
1555ecc79
hex3aa7270

61502064 has 40 divisors (see below), whose sum is σ = 171103632. Its totient is φ = 18923520.

The previous prime is 61502041. The next prime is 61502071. The reversal of 61502064 is 46020516.

61502064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48657 + ... + 49904.

Almost surely, 261502064 is an apocalyptic number.

It is an amenable number.

61502064 is an abundant number, since it is smaller than the sum of its proper divisors (109601568).

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

61502064 is a wasteful number, since it uses less digits than its factorization.

61502064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98585 (or 98579 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 61502064 is about 7842.3251654085. The cubic root of 61502064 is about 394.7267543546.

The spelling of 61502064 in words is "sixty-one million, five hundred two thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 312 624 98561 197122 295683 394244 591366 788488 1182732 1281293 1576976 2365464 2562586 3843879 4730928 5125172 7687758 10250344 15375516 20500688 30751032 61502064