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70403214 = 2371676267
BaseRepresentation
bin1000011001001…
…00010010001110
311220110212001110
410030210102032
5121010400324
610552552450
71513263120
oct414442216
9156425043
1070403214
1136816a82
121b6b2726
131178020b
1494c9210
1562aa329
hex432448e

70403214 has 16 divisors (see below), whose sum is σ = 160921728. Its totient is φ = 20115192.

The previous prime is 70403197. The next prime is 70403233. The reversal of 70403214 is 41230407.

It is a super-2 number, since 2×704032142 = 9913225083059592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 838092 + ... + 838175.

It is an arithmetic number, because the mean of its divisors is an integer number (10057608).

Almost surely, 270403214 is an apocalyptic number.

70403214 is an abundant number, since it is smaller than the sum of its proper divisors (90518514).

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

70403214 is a wasteful number, since it uses less digits than its factorization.

70403214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676279.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 70403214 is about 8390.6623099729. The cubic root of 70403214 is about 412.9183297011.

The spelling of 70403214 in words is "seventy million, four hundred three thousand, two hundred fourteen".

Divisors: 1 2 3 6 7 14 21 42 1676267 3352534 5028801 10057602 11733869 23467738 35201607 70403214