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97618612 = 227132331151
BaseRepresentation
bin1011101000110…
…00101010110100
320210200112120011
411310120222310
5144442243422
613404150004
72263513240
oct564305264
9223615504
1097618612
1150115343
1228838304
13172bb8c0
14cd71420
158884077
hex5d18ab4

97618612 has 48 divisors (see below), whose sum is σ = 211341312. Its totient is φ = 38419200.

The previous prime is 97618603. The next prime is 97618613. The reversal of 97618612 is 21681679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97618613) by changing a digit.

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, 84237 + ... + 85387.

It is an arithmetic number, because the mean of its divisors is an integer number (4402944).

Almost surely, 297618612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97618612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105670656).

97618612 is an abundant number, since it is smaller than the sum of its proper divisors (113722700).

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

97618612 is a wasteful number, since it uses less digits than its factorization.

97618612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408 (or 1406 counting only the distinct ones).

The product of its digits is 36288, while the sum is 40.

The square root of 97618612 is about 9880.2131555954. The cubic root of 97618612 is about 460.4447683081. Note that the first 3 decimals are identical.

The spelling of 97618612 in words is "ninety-seven million, six hundred eighteen thousand, six hundred twelve".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 233 364 466 932 1151 1631 2302 3029 3262 4604 6058 6524 8057 12116 14963 16114 21203 29926 32228 42406 59852 84812 104741 209482 268183 418964 536366 1072732 1877281 3486379 3754562 6972758 7509124 13945516 24404653 48809306 97618612