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70614457 = 281251297
BaseRepresentation
bin1000011010101…
…11110110111001
311220212120211021
410031113312321
5121034130312
611001302441
71515133024
oct415276671
9156776737
1070614457
1136950761
121b794a21
1311825404
1495421bb
1562ecc07
hex4357db9

70614457 has 4 divisors (see below), whose sum is σ = 70866036. Its totient is φ = 70362880.

The previous prime is 70614437. The next prime is 70614461. The reversal of 70614457 is 75441607.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31539456 + 39075001 = 5616^2 + 6251^2 .

It is a cyclic number.

It is not a de Polignac number, because 70614457 - 215 = 70581689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70614407) 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, 125368 + ... + 125929.

It is an arithmetic number, because the mean of its divisors is an integer number (17716509).

Almost surely, 270614457 is an apocalyptic number.

It is an amenable number.

70614457 is a deficient number, since it is larger than the sum of its proper divisors (251579).

70614457 is a wasteful number, since it uses less digits than its factorization.

70614457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251578.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 70614457 is about 8403.2408629052. The cubic root of 70614457 is about 413.3309008846.

The spelling of 70614457 in words is "seventy million, six hundred fourteen thousand, four hundred fifty-seven".

Divisors: 1 281 251297 70614457