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83485272 = 23313267581
BaseRepresentation
bin1001111100111…
…10001001011000
312211002111021010
410332132021120
5132333012042
612141213520
72032420203
oct476361130
9184074233
1083485272
11431417a2
1223b612a0
13143b0890
14b13293a
1574e159c
hex4f9e258

83485272 has 32 divisors (see below), whose sum is σ = 224768880. Its totient is φ = 25687680.

The previous prime is 83485267. The next prime is 83485277. The reversal of 83485272 is 27258438.

It is an interprime number because it is at equal distance from previous prime (83485267) and next prime (83485277).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 83485272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83485277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133479 + ... + 134102.

Almost surely, 283485272 is an apocalyptic number.

It is an amenable number.

83485272 is an abundant number, since it is smaller than the sum of its proper divisors (141283608).

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

83485272 is a wasteful number, since it uses less digits than its factorization.

83485272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267603 (or 267599 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 83485272 is about 9137.0275254045. The cubic root of 83485272 is about 437.0555324981.

The spelling of 83485272 in words is "eighty-three million, four hundred eighty-five thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 267581 535162 802743 1070324 1605486 2140648 3210972 3478553 6421944 6957106 10435659 13914212 20871318 27828424 41742636 83485272