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331604007 = 3783190249
BaseRepresentation
bin10011110000111…
…110000000100111
3212002222020011220
4103300332000213
51134342312012
652523231423
711134405350
oct2360760047
9762866156
10331604007
111601aaaa9
1293078573
1353914bb7
143207cd27
151e1a308c
hex13c3e027

331604007 has 16 divisors (see below), whose sum is σ = 511392000. Its totient is φ = 187204032.

The previous prime is 331603997. The next prime is 331604029. The reversal of 331604007 is 700406133.

It is not a de Polignac number, because 331604007 - 212 = 331599911 is a prime.

It is a super-2 number, since 2×3316040072 = 219922434916912098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331604047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93382 + ... + 96867.

It is an arithmetic number, because the mean of its divisors is an integer number (31962000).

Almost surely, 2331604007 is an apocalyptic number.

331604007 is a deficient number, since it is larger than the sum of its proper divisors (179787993).

331604007 is a wasteful number, since it uses less digits than its factorization.

331604007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190342.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 331604007 is about 18209.9974464578. The cubic root of 331604007 is about 692.1601468981.

The spelling of 331604007 in words is "three hundred thirty-one million, six hundred four thousand, seven".

Divisors: 1 3 7 21 83 249 581 1743 190249 570747 1331743 3995229 15790667 47372001 110534669 331604007