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70241148 = 22331394679
BaseRepresentation
bin1000010111111…
…00101101111100
311220011121202000
410023330231330
5120440204043
610545302300
71512016455
oct413745574
9156147660
1070241148
113671623a
121b634990
1311724513
14948612c
1562772d3
hex42fcb7c

70241148 has 48 divisors (see below), whose sum is σ = 183456000. Its totient is φ = 23240304.

The previous prime is 70241141. The next prime is 70241153. The reversal of 70241148 is 84114207.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70241141) 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, 12673 + ... + 17351.

It is an arithmetic number, because the mean of its divisors is an integer number (3822000).

Almost surely, 270241148 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 70241148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91728000).

70241148 is an abundant number, since it is smaller than the sum of its proper divisors (113214852).

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

70241148 is a wasteful number, since it uses less digits than its factorization.

70241148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4831 (or 4823 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 70241148 is about 8380.9992244362. Note that the first 3 decimals coincide. The cubic root of 70241148 is about 412.6012445698.

The spelling of 70241148 in words is "seventy million, two hundred forty-one thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 139 278 417 556 834 1251 1668 2502 3753 4679 5004 7506 9358 14037 15012 18716 28074 42111 56148 84222 126333 168444 252666 505332 650381 1300762 1951143 2601524 3902286 5853429 7804572 11706858 17560287 23413716 35120574 70241148