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472647040 = 2751947827
BaseRepresentation
bin11100001011000…
…000010110000000
31012221100221211221
4130023000112000
51431444201130
6114522244424
714466301465
oct3413002600
91187327757
10472647040
11222884798
12112356714
1376bc8c08
1446ab566c
152b76387a
hex1c2c0580

472647040 has 128 divisors (see below), whose sum is σ = 1216166400. Its totient is φ = 175085568.

The previous prime is 472647029. The next prime is 472647067. The reversal of 472647040 is 40746274.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 472646987 and 472647005.

It is a congruent number.

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, 571107 + ... + 571933.

It is an arithmetic number, because the mean of its divisors is an integer number (9501300).

Almost surely, 2472647040 is an apocalyptic number.

472647040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 472647040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (608083200).

472647040 is an abundant number, since it is smaller than the sum of its proper divisors (743519360).

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

472647040 is a wasteful number, since it uses less digits than its factorization.

472647040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 34.

The square root of 472647040 is about 21740.4470975185. The cubic root of 472647040 is about 778.9549010075.

The spelling of 472647040 in words is "four hundred seventy-two million, six hundred forty-seven thousand, forty".

Divisors: 1 2 4 5 8 10 16 19 20 32 38 40 47 64 76 80 94 95 128 152 160 188 190 235 304 320 376 380 470 608 640 752 760 827 893 940 1216 1504 1520 1654 1786 1880 2432 3008 3040 3308 3572 3760 4135 4465 6016 6080 6616 7144 7520 8270 8930 12160 13232 14288 15040 15713 16540 17860 26464 28576 30080 31426 33080 35720 38869 52928 57152 62852 66160 71440 77738 78565 105856 114304 125704 132320 142880 155476 157130 194345 251408 264640 285760 310952 314260 388690 502816 529280 571520 621904 628520 738511 777380 1005632 1243808 1257040 1477022 1554760 2011264 2487616 2514080 2954044 3109520 3692555 4975232 5028160 5908088 6219040 7385110 10056320 11816176 12438080 14770220 23632352 24876160 29540440 47264704 59080880 94529408 118161760 236323520 472647040