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43125690 = 2352362501
BaseRepresentation
bin1010010010000…
…0101110111010
310000011000022210
42210200232322
542020010230
64140155550
71032363606
oct244405672
9100130283
1043125690
1122385a73
1212538bb6
138c1c47a
145a28506
153bbceb0
hex2920bba

43125690 has 32 divisors (see below), whose sum is σ = 108003456. Its totient is φ = 11000000.

The previous prime is 43125679. The next prime is 43125701. The reversal of 43125690 is 9652134.

It is an interprime number because it is at equal distance from previous prime (43125679) and next prime (43125701).

It is a super-2 number, since 2×431256902 = 3719650275952200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30561 + ... + 31940.

It is an arithmetic number, because the mean of its divisors is an integer number (3375108).

Almost surely, 243125690 is an apocalyptic number.

43125690 is an abundant number, since it is smaller than the sum of its proper divisors (64877766).

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

43125690 is a wasteful number, since it uses less digits than its factorization.

43125690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62534.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 43125690 is about 6567.0153037739. The cubic root of 43125690 is about 350.6808244528.

The spelling of 43125690 in words is "forty-three million, one hundred twenty-five thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 62501 125002 187503 312505 375006 625010 937515 1437523 1875030 2875046 4312569 7187615 8625138 14375230 21562845 43125690