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70454397 = 3132238101
BaseRepresentation
bin1000011001100…
…00110001111101
311220120110021010
410030300301331
5121014020042
610554025433
71513565256
oct414606175
9156513233
1070454397
1136851482
121b718279
131179a5c0
1494ddb2d
1562ba59c
hex4330c7d

70454397 has 16 divisors (see below), whose sum is σ = 101631488. Its totient is φ = 43156800.

The previous prime is 70454381. The next prime is 70454407. The reversal of 70454397 is 79345407.

It is not a de Polignac number, because 70454397 - 24 = 70454381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70454317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4647 + ... + 12747.

It is an arithmetic number, because the mean of its divisors is an integer number (6351968).

Almost surely, 270454397 is an apocalyptic number.

It is an amenable number.

70454397 is a deficient number, since it is larger than the sum of its proper divisors (31177091).

70454397 is a wasteful number, since it uses less digits than its factorization.

70454397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8340.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 70454397 is about 8393.7117534497. The cubic root of 70454397 is about 413.0183690704.

The spelling of 70454397 in words is "seventy million, four hundred fifty-four thousand, three hundred ninety-seven".

Divisors: 1 3 13 39 223 669 2899 8101 8697 24303 105313 315939 1806523 5419569 23484799 70454397