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131124004 = 221137239337
BaseRepresentation
bin1111101000011…
…00101100100100
3100010201210022121
413310030230210
5232031432004
621002235324
73151351504
oct764145444
9303653277
10131124004
116801a450
1237ab5b44
132122028b
14135b3a04
15b7a1854
hex7d0cb24

131124004 has 48 divisors (see below), whose sum is σ = 258935040. Its totient is φ = 57576960.

The previous prime is 131123969. The next prime is 131124011. The reversal of 131124004 is 400421131.

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 15 ways as a sum of consecutive naturals, for example, 388924 + ... + 389260.

It is an arithmetic number, because the mean of its divisors is an integer number (5394480).

Almost surely, 2131124004 is an apocalyptic number.

It is an amenable number.

131124004 is a deficient number, since it is larger than the sum of its proper divisors (127811036).

131124004 is a wasteful number, since it uses less digits than its factorization.

131124004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 131124004 is about 11450.9390007981. The cubic root of 131124004 is about 508.0355080890.

Adding to 131124004 its reverse (400421131), we get a palindrome (531545135).

The spelling of 131124004 in words is "one hundred thirty-one million, one hundred twenty-four thousand, four".

Divisors: 1 2 4 11 22 37 44 74 148 239 337 407 478 674 814 956 1348 1628 2629 3707 5258 7414 8843 10516 12469 14828 17686 24938 35372 49876 80543 97273 137159 161086 194546 274318 322172 389092 548636 885973 1771946 2980091 3543892 5960182 11920364 32781001 65562002 131124004