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122705396 = 22116614219
BaseRepresentation
bin1110101000001…
…01010111110100
322112220002011022
413110011113310
5222403033041
620102000312
73016656452
oct724052764
9275802138
10122705396
116329a420
1235116098
131c563458
14124219d2
15ab8c24b
hex75055f4

122705396 has 24 divisors (see below), whose sum is σ = 234665760. Its totient is φ = 55677600.

The previous prime is 122705383. The next prime is 122705413. The reversal of 122705396 is 693507221.

It is a super-2 number, since 2×1227053962 = 30113228415033632, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 26975 + ... + 31193.

It is an arithmetic number, because the mean of its divisors is an integer number (9777740).

Almost surely, 2122705396 is an apocalyptic number.

It is an amenable number.

122705396 is a deficient number, since it is larger than the sum of its proper divisors (111960364).

122705396 is a wasteful number, since it uses less digits than its factorization.

122705396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4895 (or 4893 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 122705396 is about 11077.2467698431. The cubic root of 122705396 is about 496.9216139752.

The spelling of 122705396 in words is "one hundred twenty-two million, seven hundred five thousand, three hundred ninety-six".

Divisors: 1 2 4 11 22 44 661 1322 2644 4219 7271 8438 14542 16876 29084 46409 92818 185636 2788759 5577518 11155036 30676349 61352698 122705396