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61038142 = 2119193019
BaseRepresentation
bin1110100011010…
…1111000111110
311020212001120221
43220311320332
5111111210032
610020131554
71340546524
oct350657076
9136761527
1061038142
11314aa950
1218536bba
13c851659
14816c314
15555a597
hex3a35e3e

61038142 has 16 divisors (see below), whose sum is σ = 100022400. Its totient is φ = 27705240.

The previous prime is 61038137. The next prime is 61038151. The reversal of 61038142 is 24183016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18709 + ... + 21727.

It is an arithmetic number, because the mean of its divisors is an integer number (6251400).

Almost surely, 261038142 is an apocalyptic number.

61038142 is a deficient number, since it is larger than the sum of its proper divisors (38984258).

61038142 is a wasteful number, since it uses less digits than its factorization.

61038142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3951.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 61038142 is about 7812.6910856631. The cubic root of 61038142 is about 393.7317481420.

The spelling of 61038142 in words is "sixty-one million, thirty-eight thousand, one hundred forty-two".

Divisors: 1 2 11 22 919 1838 3019 6038 10109 20218 33209 66418 2774461 5548922 30519071 61038142