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622315142 = 23171141371
BaseRepresentation
bin100101000101111…
…100011010000110
31121100222212212222
4211011330122012
52233303041032
6141430212342
721264406601
oct4505743206
91540885788
10622315142
1129a30a639
121544b40b2
139bc0ca17
145c915338
1539979a12
hex2517c686

622315142 has 16 divisors (see below), whose sum is σ = 977163264. Its totient is φ = 296877000.

The previous prime is 622315087. The next prime is 622315193. The reversal of 622315142 is 241513226.

It is a happy number.

It is a super-2 number, since 2×6223151422 = 774552271924960328, which contains 22 as substring.

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, 66284 + ... + 75087.

It is an arithmetic number, because the mean of its divisors is an integer number (61072704).

Almost surely, 2622315142 is an apocalyptic number.

622315142 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

622315142 is a deficient number, since it is larger than the sum of its proper divisors (354848122).

622315142 is a wasteful number, since it uses less digits than its factorization.

622315142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141475.

The product of its digits is 2880, while the sum is 26.

The square root of 622315142 is about 24946.2450481029. The cubic root of 622315142 is about 853.7619380424.

Adding to 622315142 its reverse (241513226), we get a palindrome (863828368).

The spelling of 622315142 in words is "six hundred twenty-two million, three hundred fifteen thousand, one hundred forty-two".

Divisors: 1 2 31 62 71 142 2201 4402 141371 282742 4382501 8765002 10037341 20074682 311157571 622315142