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31448454324 = 2237374386361
BaseRepresentation
bin11101010010011110…
…010101010010110100
310000011200211000011120
4131102132111102310
51003401301014244
622240333303540
72162215310520
oct352236252264
9100150730146
1031448454324
1112378918221
126118034bb0
132c724aa571
141744970d80
15c40d90819
hex7527954b4

31448454324 has 24 divisors (see below), whose sum is σ = 83862545088. Its totient is φ = 8985272640.

The previous prime is 31448454283. The next prime is 31448454353. The reversal of 31448454324 is 42345484413.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187193097 + ... + 187193264.

It is an arithmetic number, because the mean of its divisors is an integer number (3494272712).

Almost surely, 231448454324 is an apocalyptic number.

It is an amenable number.

31448454324 is an abundant number, since it is smaller than the sum of its proper divisors (52414090764).

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

31448454324 is a wasteful number, since it uses less digits than its factorization.

31448454324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374386375 (or 374386373 counting only the distinct ones).

The product of its digits is 737280, while the sum is 42.

The spelling of 31448454324 in words is "thirty-one billion, four hundred forty-eight million, four hundred fifty-four thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 374386361 748772722 1123159083 1497545444 2246318166 2620704527 4492636332 5241409054 7862113581 10482818108 15724227162 31448454324