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70340880 = 2435293087
BaseRepresentation
bin1000011000101…
…01000100010000
311220100200112210
410030111010100
5121001402010
610551352120
71512613311
oct414250420
9156320483
1070340880
1136784165
121b682640
131175aa2c
1494b0608
156296b20
hex4315110

70340880 has 40 divisors (see below), whose sum is σ = 218057472. Its totient is φ = 18757504.

The previous prime is 70340873. The next prime is 70340903. The reversal of 70340880 is 8804307.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146304 + ... + 146783.

Almost surely, 270340880 is an apocalyptic number.

It is an amenable number.

70340880 is an abundant number, since it is smaller than the sum of its proper divisors (147716592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70340880 is a wasteful number, since it uses less digits than its factorization.

70340880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293103 (or 293097 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 70340880 is about 8386.9470011441. The cubic root of 70340880 is about 412.7964297209.

The spelling of 70340880 in words is "seventy million, three hundred forty thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 293087 586174 879261 1172348 1465435 1758522 2344696 2930870 3517044 4396305 4689392 5861740 7034088 8792610 11723480 14068176 17585220 23446960 35170440 70340880