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3721930092 = 2232103386947
BaseRepresentation
bin1101110111011000…
…0010010101101100
3100121101110122020200
43131312002111230
530110303230332
61413153513500
7161142612066
oct33566022554
910541418220
103721930092
11163aa29191
1287a572890
134741316ca
1427444c736
1516bb4917c
hexddd8256c

3721930092 has 18 divisors (see below), whose sum is σ = 9408212268. Its totient is φ = 1240643352.

The previous prime is 3721930063. The next prime is 3721930109. The reversal of 3721930092 is 2900391273.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 103386947 = 3721930092 / (3 + 7 + 2 + 1 + 9 + 3 + 0 + 0 + 9 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51693438 + ... + 51693509.

Almost surely, 23721930092 is an apocalyptic number.

It is an amenable number.

3721930092 is an abundant number, since it is smaller than the sum of its proper divisors (5686282176).

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

3721930092 is a wasteful number, since it uses less digits than its factorization.

3721930092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103386957 (or 103386952 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 3721930092 is about 61007.6232285769. The cubic root of 3721930092 is about 1549.7301079855.

The spelling of 3721930092 in words is "three billion, seven hundred twenty-one million, nine hundred thirty thousand, ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 103386947 206773894 310160841 413547788 620321682 930482523 1240643364 1860965046 3721930092