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31464200 = 2352157321
BaseRepresentation
bin111100000000…
…1101100001000
32012012112202202
41320001230020
531023323300
63042215332
7531304235
oct170015410
965175682
1031464200
1116840579
12a654548
136698591
14427078c
152b67ad5
hex1e01b08

31464200 has 24 divisors (see below), whose sum is σ = 73154730. Its totient is φ = 12585600.

The previous prime is 31464193. The next prime is 31464233. The reversal of 31464200 is 246413.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 29789764 + 1674436 = 5458^2 + 1294^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78461 + ... + 78860.

Almost surely, 231464200 is an apocalyptic number.

It is an amenable number.

31464200 is an abundant number, since it is smaller than the sum of its proper divisors (41690530).

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

31464200 is a wasteful number, since it uses less digits than its factorization.

31464200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157337 (or 157328 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 31464200 is about 5609.2958559876. The cubic root of 31464200 is about 315.6982913155.

The spelling of 31464200 in words is "thirty-one million, four hundred sixty-four thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 157321 314642 629284 786605 1258568 1573210 3146420 3933025 6292840 7866050 15732100 31464200