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54601990 = 256198821
BaseRepresentation
bin1101000001001…
…0100100000110
310210202001211221
43100102210012
5102434230430
65230150554
71232052322
oct320224406
9123661757
1054601990
1128904313
121635245a
13b409c91
147374982
154bd857a
hex3412906

54601990 has 16 divisors (see below), whose sum is σ = 98453520. Its totient is φ = 21803040.

The previous prime is 54601969. The next prime is 54602003. The reversal of 54601990 is 9910645.

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, 1780 + ... + 10600.

It is an arithmetic number, because the mean of its divisors is an integer number (6153345).

Almost surely, 254601990 is an apocalyptic number.

54601990 is a deficient number, since it is larger than the sum of its proper divisors (43851530).

54601990 is a wasteful number, since it uses less digits than its factorization.

54601990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9447.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 54601990 is about 7389.3159358631. The cubic root of 54601990 is about 379.3756830648.

The spelling of 54601990 in words is "fifty-four million, six hundred one thousand, nine hundred ninety".

Divisors: 1 2 5 10 619 1238 3095 6190 8821 17642 44105 88210 5460199 10920398 27300995 54601990