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70524432 = 2435111797
BaseRepresentation
bin1000011010000…
…01111000010000
311220201000100000
410031001320100
5121023240212
610555330000
71514306406
oct415017020
9156630300
1070524432
113689a060
121b750900
13117c3444
14951b476
1562d11dc
hex4341e10

70524432 has 240 divisors, whose sum is σ = 238859712. Its totient is φ = 19906560.

The previous prime is 70524431. The next prime is 70524437. The reversal of 70524432 is 23442507.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 70524396 and 70524405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70524431) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 727008 + ... + 727104.

Almost surely, 270524432 is an apocalyptic number.

70524432 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70524432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119429856).

70524432 is an abundant number, since it is smaller than the sum of its proper divisors (168335280).

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

70524432 is a wasteful number, since it uses less digits than its factorization.

70524432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 70524432 is about 8397.8825902724. The cubic root of 70524432 is about 413.1551770081.

Adding to 70524432 its reverse (23442507), we get a palindrome (93966939).

The spelling of 70524432 in words is "seventy million, five hundred twenty-four thousand, four hundred thirty-two".