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80023938 = 23102113063
BaseRepresentation
bin1001100010100…
…01000110000010
312120120122012120
410301101012002
5130441231223
611535105110
71661122641
oct461210602
9176518176
1080023938
1141198195
1222972196
131376b257
14a8b1358
15705abe3
hex4c51182

80023938 has 16 divisors (see below), whose sum is σ = 160216896. Its totient is φ = 26646480.

The previous prime is 80023897. The next prime is 80023943. The reversal of 80023938 is 83932008.

It is a junction number, because it is equal to n+sod(n) for n = 80023899 and 80023908.

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, 406 + ... + 12657.

It is an arithmetic number, because the mean of its divisors is an integer number (10013556).

Almost surely, 280023938 is an apocalyptic number.

80023938 is an abundant number, since it is smaller than the sum of its proper divisors (80192958).

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

80023938 is a wasteful number, since it uses less digits than its factorization.

80023938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14089.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 80023938 is about 8945.6099847914. The cubic root of 80023938 is about 430.9299111018.

The spelling of 80023938 in words is "eighty million, twenty-three thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 1021 2042 3063 6126 13063 26126 39189 78378 13337323 26674646 40011969 80023938