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20230072 = 233078237
BaseRepresentation
bin100110100101…
…0111110111000
31102001210102221
41031022332320
520134330242
62001333424
7333644542
oct115127670
942053387
1020230072
1110468175
126937274
134264075
142988692
151b99167
hex134afb8

20230072 has 16 divisors (see below), whose sum is σ = 38059560. Its totient is φ = 10080864.

The previous prime is 20230061. The next prime is 20230099. The reversal of 20230072 is 27003202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1663 + ... + 6574.

Almost surely, 220230072 is an apocalyptic number.

It is an amenable number.

20230072 is a deficient number, since it is larger than the sum of its proper divisors (17829488).

20230072 is a wasteful number, since it uses less digits than its factorization.

20230072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8550 (or 8546 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 20230072 is about 4497.7852327562. The cubic root of 20230072 is about 272.4786482723.

Adding to 20230072 its reverse (27003202), we get a palindrome (47233274).

The spelling of 20230072 in words is "twenty million, two hundred thirty thousand, seventy-two".

Divisors: 1 2 4 8 307 614 1228 2456 8237 16474 32948 65896 2528759 5057518 10115036 20230072