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514947972 = 223711557303
BaseRepresentation
bin11110101100010…
…111101110000100
31022212222001211010
4132230113232010
52023311313342
6123033042220
715521662020
oct3654275604
91285861733
10514947972
11244747040
12124556370
13828b9b56
144c567380
153031c29c
hex1eb17b84

514947972 has 48 divisors (see below), whose sum is σ = 1498033152. Its totient is φ = 133752480.

The previous prime is 514947931. The next prime is 514947973. The reversal of 514947972 is 279749415.

It is not an unprimeable number, because it can be changed into a prime (514947973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277728 + ... + 279575.

It is an arithmetic number, because the mean of its divisors is an integer number (31209024).

Almost surely, 2514947972 is an apocalyptic number.

It is an amenable number.

514947972 is an abundant number, since it is smaller than the sum of its proper divisors (983085180).

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

514947972 is a wasteful number, since it uses less digits than its factorization.

514947972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557328 (or 557326 counting only the distinct ones).

The product of its digits is 635040, while the sum is 48.

The square root of 514947972 is about 22692.4650930656. The cubic root of 514947972 is about 801.5324646490.

The spelling of 514947972 in words is "five hundred fourteen million, nine hundred forty-seven thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 66 77 84 132 154 231 308 462 924 557303 1114606 1671909 2229212 3343818 3901121 6130333 6687636 7802242 11703363 12260666 15604484 18390999 23406726 24521332 36781998 42912331 46813452 73563996 85824662 128736993 171649324 257473986 514947972