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232740420 = 223511352637
BaseRepresentation
bin11011101111101…
…01011001000100
3121012221102211120
431313311121010
5434040143140
635032233540
75524155333
oct1567653104
9535842746
10232740420
1110a415360
1265b3b8b0
13392ab733
1422ca5d1a
15156751d0
hexddf5644

232740420 has 48 divisors (see below), whose sum is σ = 710918208. Its totient is φ = 56421760.

The previous prime is 232740419. The next prime is 232740433. The reversal of 232740420 is 24047232.

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, 175659 + ... + 176978.

It is an arithmetic number, because the mean of its divisors is an integer number (14810796).

Almost surely, 2232740420 is an apocalyptic number.

232740420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232740420 is an abundant number, since it is smaller than the sum of its proper divisors (478177788).

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

232740420 is a wasteful number, since it uses less digits than its factorization.

232740420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352660 (or 352658 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 232740420 is about 15255.8323273429. The cubic root of 232740420 is about 615.1163505161.

Adding to 232740420 its reverse (24047232), we get a palindrome (256787652).

The spelling of 232740420 in words is "two hundred thirty-two million, seven hundred forty thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 352637 705274 1057911 1410548 1763185 2115822 3526370 3879007 4231644 5289555 7052740 7758014 10579110 11637021 15516028 19395035 21158220 23274042 38790070 46548084 58185105 77580140 116370210 232740420