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54947130 = 2357237379
BaseRepresentation
bin1101000110011…
…0110100111010
310211101121021220
43101212310322
5103031302010
65241412510
71235020500
oct321466472
9124347256
1054947130
112901a657
121649a136
13b4cb0c4
147424670
154c55970
hex3466d3a

54947130 has 48 divisors (see below), whose sum is σ = 153407520. Its totient is φ = 12559008.

The previous prime is 54947129. The next prime is 54947149. The reversal of 54947130 is 3174945.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54947091 and 54947100.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17220 + ... + 20159.

It is an arithmetic number, because the mean of its divisors is an integer number (3195990).

Almost surely, 254947130 is an apocalyptic number.

54947130 is an abundant number, since it is smaller than the sum of its proper divisors (98460390).

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

54947130 is a wasteful number, since it uses less digits than its factorization.

54947130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37403 (or 37396 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 54947130 is about 7412.6331353980. The cubic root of 54947130 is about 380.1733511936.

The spelling of 54947130 in words is "fifty-four million, nine hundred forty-seven thousand, one hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 49 70 98 105 147 210 245 294 490 735 1470 37379 74758 112137 186895 224274 261653 373790 523306 560685 784959 1121370 1308265 1569918 1831571 2616530 3663142 3924795 5494713 7849590 9157855 10989426 18315710 27473565 54947130