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472649090 = 25450710487
BaseRepresentation
bin11100001011000…
…000110110000010
31012221101001122212
4130023000312002
51431444232330
6114522302122
714466310454
oct3413006602
91187331585
10472649090
11222886291
12112357942
1376bc9b24
1446ab62d4
152b764295
hex1c2c0d82

472649090 has 16 divisors (see below), whose sum is σ = 851038272. Its totient is φ = 188999664.

The previous prime is 472649081. The next prime is 472649123. The reversal of 472649090 is 90946274.

It is a super-3 number, since 3×4726490903 (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39827 + ... + 50313.

It is an arithmetic number, because the mean of its divisors is an integer number (53189892).

Almost surely, 2472649090 is an apocalyptic number.

472649090 is a deficient number, since it is larger than the sum of its proper divisors (378389182).

472649090 is a wasteful number, since it uses less digits than its factorization.

472649090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15001.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 472649090 is about 21740.4942446118. The cubic root of 472649090 is about 778.9560271863.

The spelling of 472649090 in words is "four hundred seventy-two million, six hundred forty-nine thousand, ninety".

Divisors: 1 2 5 10 4507 9014 10487 20974 22535 45070 52435 104870 47264909 94529818 236324545 472649090