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70519432 = 238814929
BaseRepresentation
bin1000011010000…
…00101010001000
311220200202110211
410031000222020
5121023110212
610555250504
71514256004
oct415005210
9156622424
1070519432
1136896325
121b749a34
13117c1099
149519704
1562ce9a7
hex4340a88

70519432 has 8 divisors (see below), whose sum is σ = 132223950. Its totient is φ = 35259712.

The previous prime is 70519399. The next prime is 70519453. The reversal of 70519432 is 23491507.

It can be written as a sum of positive squares in only one way, i.e., 45778756 + 24740676 = 6766^2 + 4974^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 70519394 and 70519403.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4407457 + ... + 4407472.

Almost surely, 270519432 is an apocalyptic number.

It is an amenable number.

70519432 is a deficient number, since it is larger than the sum of its proper divisors (61704518).

70519432 is a wasteful number, since it uses less digits than its factorization.

70519432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8814935 (or 8814931 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 70519432 is about 8397.5848909076. The cubic root of 70519432 is about 413.1454128991.

The spelling of 70519432 in words is "seventy million, five hundred nineteen thousand, four hundred thirty-two".

Divisors: 1 2 4 8 8814929 17629858 35259716 70519432