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122953982 = 2269228539
BaseRepresentation
bin1110101010000…
…10000011111110
322120100201011012
413111002003332
5222434011412
620111155222
73022043264
oct725020376
9276321135
10122953982
116344a168
1235215b12
131c61c648
1412488434
15abdac22
hex75420fe

122953982 has 8 divisors (see below), whose sum is σ = 185117400. Its totient is φ = 61248184.

The previous prime is 122953981. The next prime is 122953991. The reversal of 122953982 is 289359221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122953981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113732 + ... + 114807.

It is an arithmetic number, because the mean of its divisors is an integer number (23139675).

Almost surely, 2122953982 is an apocalyptic number.

122953982 is a deficient number, since it is larger than the sum of its proper divisors (62163418).

122953982 is a wasteful number, since it uses less digits than its factorization.

122953982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228810.

The product of its digits is 77760, while the sum is 41.

The square root of 122953982 is about 11088.4616606633. The cubic root of 122953982 is about 497.2569549268.

The spelling of 122953982 in words is "one hundred twenty-two million, nine hundred fifty-three thousand, nine hundred eighty-two".

Divisors: 1 2 269 538 228539 457078 61476991 122953982