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61141152 = 2531095843
BaseRepresentation
bin1110100100111…
…1000010100000
311021001021220010
43221033002200
5111123004102
610022244520
71341456042
oct351170240
9137037803
1061141152
1131570286
1218586740
13c8894c7
148197a92
15557ad6c
hex3a4f0a0

61141152 has 48 divisors (see below), whose sum is σ = 161995680. Its totient is φ = 20189952.

The previous prime is 61141151. The next prime is 61141177. The reversal of 61141152 is 25114116.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (61141151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7543 + ... + 13385.

It is an arithmetic number, because the mean of its divisors is an integer number (3374910).

Almost surely, 261141152 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 61141152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80997840).

61141152 is an abundant number, since it is smaller than the sum of its proper divisors (100854528).

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

61141152 is a wasteful number, since it uses less digits than its factorization.

61141152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5965 (or 5957 counting only the distinct ones).

The product of its digits is 240, while the sum is 21.

The square root of 61141152 is about 7819.2807853408. The cubic root of 61141152 is about 393.9531152608.

Adding to 61141152 its reverse (25114116), we get a palindrome (86255268).

The spelling of 61141152 in words is "sixty-one million, one hundred forty-one thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 109 218 327 436 654 872 1308 1744 2616 3488 5232 5843 10464 11686 17529 23372 35058 46744 70116 93488 140232 186976 280464 560928 636887 1273774 1910661 2547548 3821322 5095096 7642644 10190192 15285288 20380384 30570576 61141152