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139054216 = 2378329917
BaseRepresentation
bin10000100100111…
…00110010001000
3100200122200112011
420102130302020
5241044213331
621444225304
73305640610
oct1022346210
9320580464
10139054216
1171546544
123a69b234
1322a68a02
1414679a40
15c31b3b1
hex849cc88

139054216 has 32 divisors (see below), whose sum is σ = 301573440. Its totient is φ = 58874688.

The previous prime is 139054193. The next prime is 139054229. The reversal of 139054216 is 612450931.

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, 10311 + ... + 19606.

It is an arithmetic number, because the mean of its divisors is an integer number (9424170).

Almost surely, 2139054216 is an apocalyptic number.

It is an amenable number.

139054216 is an abundant number, since it is smaller than the sum of its proper divisors (162519224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139054216 is a wasteful number, since it uses less digits than its factorization.

139054216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30013 (or 30009 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 139054216 is about 11792.1251689422. The cubic root of 139054216 is about 518.0774867561.

The spelling of 139054216 in words is "one hundred thirty-nine million, fifty-four thousand, two hundred sixteen".

Divisors: 1 2 4 7 8 14 28 56 83 166 332 581 664 1162 2324 4648 29917 59834 119668 209419 239336 418838 837676 1675352 2483111 4966222 9932444 17381777 19864888 34763554 69527108 139054216