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472961818 = 2725981799
BaseRepresentation
bin11100001100001…
…101001100011010
31012221221221122101
4130030031030122
51432034234233
6114533114014
714502052300
oct3414151432
91187857571
10472961818
11222a7a23a
1211248890a
1376ca9284
1446b58270
152b7c6c7d
hex1c30d31a

472961818 has 24 divisors (see below), whose sum is σ = 839268000. Its totient is φ = 199259928.

The previous prime is 472961803. The next prime is 472961821. The reversal of 472961818 is 818169274.

It is an alternating number because its digits alternate between even and odd.

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 11 ways as a sum of consecutive naturals, for example, 35118 + ... + 46681.

It is an arithmetic number, because the mean of its divisors is an integer number (34969500).

Almost surely, 2472961818 is an apocalyptic number.

472961818 is a deficient number, since it is larger than the sum of its proper divisors (366306182).

472961818 is a wasteful number, since it uses less digits than its factorization.

472961818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81874 (or 81867 counting only the distinct ones).

The product of its digits is 193536, while the sum is 46.

The square root of 472961818 is about 21747.6853481008. The cubic root of 472961818 is about 779.1277879133.

The spelling of 472961818 in words is "four hundred seventy-two million, nine hundred sixty-one thousand, eight hundred eighteen".

Divisors: 1 2 7 14 49 59 98 118 413 826 2891 5782 81799 163598 572593 1145186 4008151 4826141 8016302 9652282 33782987 67565974 236480909 472961818