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308072102 = 213149281283
BaseRepresentation
bin10010010111001…
…100111010100110
3210110200200110212
4102113030322212
51112331301402
650323015422
710430366252
oct2227147246
9713620425
10308072102
11148998148
128720a572
134ba95cb0
142ccb5262
151c0a5952
hex125ccea6

308072102 has 32 divisors (see below), whose sum is σ = 504554400. Its totient is φ = 140232960.

The previous prime is 308072077. The next prime is 308072123. The reversal of 308072102 is 201270803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1088453 + ... + 1088735.

It is an arithmetic number, because the mean of its divisors is an integer number (15767325).

Almost surely, 2308072102 is an apocalyptic number.

308072102 is a deficient number, since it is larger than the sum of its proper divisors (196482298).

308072102 is a wasteful number, since it uses less digits than its factorization.

308072102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 308072102 is about 17551.9828509488. The cubic root of 308072102 is about 675.3840353288.

The spelling of 308072102 in words is "three hundred eight million, seventy-two thousand, one hundred two".

Divisors: 1 2 13 26 149 281 283 298 562 566 1937 3653 3679 3874 7306 7358 41869 42167 79523 83738 84334 159046 544297 548171 1033799 1088594 1096342 2067598 11848927 23697854 154036051 308072102