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1248672372 = 2231729211067
BaseRepresentation
bin100101001101101…
…0011101001110100
310020000121010110220
41022123103221310
510024130003442
6323523214340
742641353143
oct11233235164
93200533426
101248672372
11590930042
122aa2173b0
1316b9064bc
14bbb9d75a
1574951eec
hex4a6d3a74

1248672372 has 48 divisors (see below), whose sum is σ = 3191348160. Its totient is φ = 378230272.

The previous prime is 1248672361. The next prime is 1248672377. The reversal of 1248672372 is 2732768421.

It is a happy number.

It is a super-2 number, since 2×12486723722 = 3118365385192212768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248672377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99618 + ... + 111449.

It is an arithmetic number, because the mean of its divisors is an integer number (66486420).

Almost surely, 21248672372 is an apocalyptic number.

1248672372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1248672372 is an abundant number, since it is smaller than the sum of its proper divisors (1942675788).

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

1248672372 is a wasteful number, since it uses less digits than its factorization.

1248672372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211120 (or 211118 counting only the distinct ones).

The product of its digits is 225792, while the sum is 42.

The square root of 1248672372 is about 35336.5585760696. The cubic root of 1248672372 is about 1076.8358382085.

The spelling of 1248672372 in words is "one billion, two hundred forty-eight million, six hundred seventy-two thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 17 29 34 51 58 68 87 102 116 174 204 348 493 986 1479 1972 2958 5916 211067 422134 633201 844268 1266402 2532804 3588139 6120943 7176278 10764417 12241886 14352556 18362829 21528834 24483772 36725658 43057668 73451316 104056031 208112062 312168093 416224124 624336186 1248672372