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2521376940 = 2235311355579
BaseRepresentation
bin1001011001001001…
…0010100010101100
320111201102012221010
42112102102202230
520130433030230
61054105505220
7116324231115
oct22622224254
96451365833
102521376940
1110842848a5
125a44a2210
133124a5524
1419cc1720c
15eb54e9b0
hex964928ac

2521376940 has 48 divisors (see below), whose sum is σ = 7287598080. Its totient is φ = 650677440.

The previous prime is 2521376927. The next prime is 2521376953. The reversal of 2521376940 is 496731252.

It is an interprime number because it is at equal distance from previous prime (2521376927) and next prime (2521376953).

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 15 ways as a sum of consecutive naturals, for example, 675930 + ... + 679649.

It is an arithmetic number, because the mean of its divisors is an integer number (151824960).

Almost surely, 22521376940 is an apocalyptic number.

2521376940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2521376940 is an abundant number, since it is smaller than the sum of its proper divisors (4766221140).

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

2521376940 is a wasteful number, since it uses less digits than its factorization.

2521376940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355622 (or 1355620 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 2521376940 is about 50213.3143697964. The cubic root of 2521376940 is about 1361.0662306173.

The spelling of 2521376940 in words is "two billion, five hundred twenty-one million, three hundred seventy-six thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 124 155 186 310 372 465 620 930 1860 1355579 2711158 4066737 5422316 6777895 8133474 13555790 16266948 20333685 27111580 40667370 42022949 81334740 84045898 126068847 168091796 210114745 252137694 420229490 504275388 630344235 840458980 1260688470 2521376940