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70061407 = 1315734327
BaseRepresentation
bin1000010110100…
…00110101011111
311212211111011221
410023100311133
5120413431112
610541354211
71510340443
oct413206537
9155744157
1070061407
1136603199
121b568967
1311690770
14943a823
15623de07
hex42d0d5f

70061407 has 8 divisors (see below), whose sum is σ = 75933536. Its totient is φ = 64258272.

The previous prime is 70061399. The next prime is 70061429. The reversal of 70061407 is 70416007.

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

It is not a de Polignac number, because 70061407 - 23 = 70061399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70061447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15123 + ... + 19204.

It is an arithmetic number, because the mean of its divisors is an integer number (9491692).

Almost surely, 270061407 is an apocalyptic number.

70061407 is a deficient number, since it is larger than the sum of its proper divisors (5872129).

70061407 is a wasteful number, since it uses less digits than its factorization.

70061407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34497.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 70061407 is about 8370.2692310343. The cubic root of 70061407 is about 412.2490070282.

The spelling of 70061407 in words is "seventy million, sixty-one thousand, four hundred seven".

Divisors: 1 13 157 2041 34327 446251 5389339 70061407