Search a number
-
+
122967030 = 2357157731
BaseRepresentation
bin1110101010001…
…01001111110110
322120101101001110
413111011033312
5222434421110
620111335450
73022126314
oct725051766
9276341043
10122967030
1163458a4a
1235221586
131c625574
141248d0b4
15abdea20
hex75453f6

122967030 has 32 divisors (see below), whose sum is σ = 299282688. Its totient is φ = 32328800.

The previous prime is 122967023. The next prime is 122967041. The reversal of 122967030 is 30769221.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26736 + ... + 30995.

It is an arithmetic number, because the mean of its divisors is an integer number (9352584).

Almost surely, 2122967030 is an apocalyptic number.

122967030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122967030 is an abundant number, since it is smaller than the sum of its proper divisors (176315658).

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

122967030 is a wasteful number, since it uses less digits than its factorization.

122967030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57812.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 122967030 is about 11089.0500043962. The cubic root of 122967030 is about 497.2745441070.

The spelling of 122967030 in words is "one hundred twenty-two million, nine hundred sixty-seven thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 71 142 213 355 426 710 1065 2130 57731 115462 173193 288655 346386 577310 865965 1731930 4098901 8197802 12296703 20494505 24593406 40989010 61483515 122967030