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83699472 = 2431743739
BaseRepresentation
bin1001111110100…
…10011100010000
312211111101002110
410333102130100
5132411340342
612145545320
72034301533
oct477223420
9184441073
1083699472
114327871a
1224045240
131445721c
14b18aa1a
157534c9c
hex4fd2710

83699472 has 20 divisors (see below), whose sum is σ = 216223760. Its totient is φ = 27899808.

The previous prime is 83699443. The next prime is 83699519. The reversal of 83699472 is 27499638.

It is a super-2 number, since 2×836994722 = 14011203226157568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1743739 = 83699472 / (8 + 3 + 6 + 9 + 9 + 4 + 7 + 2).

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 3 ways as a sum of consecutive naturals, for example, 871822 + ... + 871917.

It is an arithmetic number, because the mean of its divisors is an integer number (10811188).

Almost surely, 283699472 is an apocalyptic number.

It is an amenable number.

83699472 is an abundant number, since it is smaller than the sum of its proper divisors (132524288).

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

83699472 is a wasteful number, since it uses less digits than its factorization.

83699472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743750 (or 1743744 counting only the distinct ones).

The product of its digits is 653184, while the sum is 48.

The square root of 83699472 is about 9148.7415528039. The cubic root of 83699472 is about 437.4290009412.

The spelling of 83699472 in words is "eighty-three million, six hundred ninety-nine thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 1743739 3487478 5231217 6974956 10462434 13949912 20924868 27899824 41849736 83699472