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70544978 = 275038927
BaseRepresentation
bin1000011010001…
…10111001010010
311220202001111222
410031012321102
5121024414403
611000005042
71514423330
oct415067122
9156661458
1070544978
1136903539
121b760782
13117cc8ba
149524b50
1562d7338
hex4346e52

70544978 has 8 divisors (see below), whose sum is σ = 120934272. Its totient is φ = 30233556.

The previous prime is 70544959. The next prime is 70544989. The reversal of 70544978 is 87944507.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2519450 + ... + 2519477.

It is an arithmetic number, because the mean of its divisors is an integer number (15116784).

Almost surely, 270544978 is an apocalyptic number.

70544978 is a deficient number, since it is larger than the sum of its proper divisors (50389294).

70544978 is a wasteful number, since it uses less digits than its factorization.

70544978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5038936.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 70544978 is about 8399.1057857370. The cubic root of 70544978 is about 413.1952948406.

The spelling of 70544978 in words is "seventy million, five hundred forty-four thousand, nine hundred seventy-eight".

Divisors: 1 2 7 14 5038927 10077854 35272489 70544978