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122830708 = 227111330677
BaseRepresentation
bin1110101001000…
…11111101110100
322120010110001111
413110203331310
5222421040313
620104404404
73021021010
oct724437564
9276113044
10122830708
1163375590
1235176704
131c5a84c0
1412455540
15abb443d
hex7523f74

122830708 has 48 divisors (see below), whose sum is σ = 288618624. Its totient is φ = 44173440.

The previous prime is 122830703. The next prime is 122830723. The reversal of 122830708 is 807038221.

It is a self number, because there is not a number n which added to its sum of digits gives 122830708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122830703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11335 + ... + 19342.

It is an arithmetic number, because the mean of its divisors is an integer number (6012888).

Almost surely, 2122830708 is an apocalyptic number.

It is an amenable number.

122830708 is an abundant number, since it is smaller than the sum of its proper divisors (165787916).

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

122830708 is a wasteful number, since it uses less digits than its factorization.

122830708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30712 (or 30710 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 122830708 is about 11082.9016056266. The cubic root of 122830708 is about 497.0907156275.

Adding to 122830708 its reverse (807038221), we get a palindrome (929868929).

The spelling of 122830708 in words is "one hundred twenty-two million, eight hundred thirty thousand, seven hundred eight".

Divisors: 1 2 4 7 11 13 14 22 26 28 44 52 77 91 143 154 182 286 308 364 572 1001 2002 4004 30677 61354 122708 214739 337447 398801 429478 674894 797602 858956 1349788 1595204 2362129 2791607 4386811 4724258 5583214 8773622 9448516 11166428 17547244 30707677 61415354 122830708