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80070148 = 2231645727
BaseRepresentation
bin1001100010111…
…00011000000100
312120122222121001
410301130120010
5130444221043
611540103044
71661404444
oct461343004
9176588531
1080070148
1141219984
1222994a84
13137862b2
14a8c4124
15706974d
hex4c5c604

80070148 has 12 divisors (see below), whose sum is σ = 144643072. Its totient is φ = 38743560.

The previous prime is 80070143. The next prime is 80070163. The reversal of 80070148 is 84107008.

It is a super-2 number, since 2×800701482 = 12822457201483808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80070143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322740 + ... + 322987.

Almost surely, 280070148 is an apocalyptic number.

It is an amenable number.

80070148 is a deficient number, since it is larger than the sum of its proper divisors (64572924).

80070148 is a wasteful number, since it uses less digits than its factorization.

80070148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645762 (or 645760 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 80070148 is about 8948.1924431697. The cubic root of 80070148 is about 431.0128422844.

The spelling of 80070148 in words is "eighty million, seventy thousand, one hundred forty-eight".

Divisors: 1 2 4 31 62 124 645727 1291454 2582908 20017537 40035074 80070148