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70134528 = 283294767
BaseRepresentation
bin1000010111000…
…10101100000000
311212222012111010
410023202230000
5120423301103
610543120520
71511063562
oct413425400
9155865433
1070134528
1136653122
121b5a3140
13116b7b29
149459332
156255903
hex42e2b00

70134528 has 144 divisors (see below), whose sum is σ = 200148480. Its totient is φ = 21762048.

The previous prime is 70134523. The next prime is 70134563. The reversal of 70134528 is 82543107.

It is a junction number, because it is equal to n+sod(n) for n = 70134495 and 70134504.

It is not an unprimeable number, because it can be changed into a prime (70134523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1046751 + ... + 1046817.

It is an arithmetic number, because the mean of its divisors is an integer number (1389920).

Almost surely, 270134528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70134528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100074240).

70134528 is an abundant number, since it is smaller than the sum of its proper divisors (130013952).

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

70134528 is a wasteful number, since it uses less digits than its factorization.

70134528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 70134528 is about 8374.6359920894. The cubic root of 70134528 is about 412.3923744930.

The spelling of 70134528 in words is "seventy million, one hundred thirty-four thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 29 32 47 48 58 64 67 87 94 96 116 128 134 141 174 188 192 201 232 256 268 282 348 376 384 402 464 536 564 696 752 768 804 928 1072 1128 1363 1392 1504 1608 1856 1943 2144 2256 2726 2784 3008 3149 3216 3712 3886 4089 4288 4512 5452 5568 5829 6016 6298 6432 7424 7772 8178 8576 9024 9447 10904 11136 11658 12032 12596 12864 15544 16356 17152 18048 18894 21808 22272 23316 25192 25728 31088 32712 36096 37788 43616 46632 50384 51456 62176 65424 75576 87232 91321 93264 100768 124352 130848 151152 174464 182642 186528 201536 248704 261696 273963 302304 348928 365284 373056 403072 497408 523392 547926 604608 730568 746112 806144 1046784 1095852 1209216 1461136 1492224 2191704 2418432 2922272 4383408 5844544 8766816 11689088 17533632 23378176 35067264 70134528