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122030398 = 2771293419
BaseRepresentation
bin1110100011000…
…00100100111110
322111121210020101
413101200210332
5222214433043
620035311314
73011145520
oct721404476
9274553211
10122030398
1162979276
1234a4b53a
131c388149
14122c7a10
15aaa724d
hex746093e

122030398 has 32 divisors (see below), whose sum is σ = 213373440. Its totient is φ = 51263520.

The previous prime is 122030393. The next prime is 122030417. The reversal of 122030398 is 893030221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122030393) 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, 291033 + ... + 291451.

It is an arithmetic number, because the mean of its divisors is an integer number (6667920).

Almost surely, 2122030398 is an apocalyptic number.

122030398 is a deficient number, since it is larger than the sum of its proper divisors (91343042).

122030398 is a wasteful number, since it uses less digits than its factorization.

122030398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 122030398 is about 11046.7369842864. The cubic root of 122030398 is about 496.0087553735.

The spelling of 122030398 in words is "one hundred twenty-two million, thirty thousand, three hundred ninety-eight".

Divisors: 1 2 7 14 71 142 293 419 497 586 838 994 2051 2933 4102 5866 20803 29749 41606 59498 122767 145621 208243 245534 291242 416486 859369 1718738 8716457 17432914 61015199 122030398