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972020122 = 29726319051
BaseRepresentation
bin111001111011111…
…101100110011010
32111202000201221021
4321323331212122
53442314120442
6240241433054
733042014623
oct7173754632
92452021837
10972020122
11459753117
1223163b78a
131264c1848
1493146a4a
155a505e67
hex39efd99a

972020122 has 16 divisors (see below), whose sum is σ = 1478740032. Its totient is φ = 479145600.

The previous prime is 972020111. The next prime is 972020123. The reversal of 972020122 is 221020279.

It is not an unprimeable number, because it can be changed into a prime (972020123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41497 + ... + 60547.

It is an arithmetic number, because the mean of its divisors is an integer number (92421252).

Almost surely, 2972020122 is an apocalyptic number.

972020122 is a deficient number, since it is larger than the sum of its proper divisors (506719910).

972020122 is a wasteful number, since it uses less digits than its factorization.

972020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19413.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 972020122 is about 31177.2372412951. The cubic root of 972020122 is about 990.5850101542.

The spelling of 972020122 in words is "nine hundred seventy-two million, twenty thousand, one hundred twenty-two".

Divisors: 1 2 97 194 263 526 19051 25511 38102 51022 1847947 3695894 5010413 10020826 486010061 972020122