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70143022 = 219297151
BaseRepresentation
bin1000010111001…
…00110000101110
311212222122010201
410023210300232
5120424034042
610543224114
71511130415
oct413446056
9155878121
1070143022
1136659544
121b5a803a
13116bb961
14945c47c
1562581b7
hex42e4c2e

70143022 has 12 divisors (see below), whose sum is σ = 111044736. Its totient is φ = 33225300.

The previous prime is 70143013. The next prime is 70143061. The reversal of 70143022 is 22034107.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47854 + ... + 49297.

It is an arithmetic number, because the mean of its divisors is an integer number (9253728).

Almost surely, 270143022 is an apocalyptic number.

70143022 is a deficient number, since it is larger than the sum of its proper divisors (40901714).

70143022 is a wasteful number, since it uses less digits than its factorization.

70143022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97191 (or 97172 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 70143022 is about 8375.1431032550. The cubic root of 70143022 is about 412.4090221154.

Adding to 70143022 its reverse (22034107), we get a palindrome (92177129).

The spelling of 70143022 in words is "seventy million, one hundred forty-three thousand, twenty-two".

Divisors: 1 2 19 38 361 722 97151 194302 1845869 3691738 35071511 70143022