Search a number
-
+
361515042 = 23372317431
BaseRepresentation
bin10101100011000…
…100100000100010
3221012020212102000
4111203010200202
51220021440132
655512304430
711646553500
oct2543044042
9835225360
10361515042
1117607a669
12a10a2116
1359b88535
1436027670
1521b1087c
hex158c4822

361515042 has 96 divisors (see below), whose sum is σ = 939651840. Its totient is φ = 102725280.

The previous prime is 361515029. The next prime is 361515043. The reversal of 361515042 is 240515163.

361515042 is a `hidden beast` number, since 3 + 6 + 151 + 504 + 2 = 666.

It is a super-4 number, since 4×3615150424 (a number of 35 digits) contains 4444 as substring.

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 = 361514997 and 361515015.

It is not an unprimeable number, because it can be changed into a prime (361515043) 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, 838567 + ... + 838997.

It is an arithmetic number, because the mean of its divisors is an integer number (9788040).

Almost surely, 2361515042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 361515042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (469825920).

361515042 is an abundant number, since it is smaller than the sum of its proper divisors (578136798).

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

361515042 is a wasteful number, since it uses less digits than its factorization.

361515042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 361515042 is about 19013.5489059775. The cubic root of 361515042 is about 712.3751980855.

The spelling of 361515042 in words is "three hundred sixty-one million, five hundred fifteen thousand, forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 49 54 63 98 126 147 189 294 317 378 431 441 634 862 882 951 1293 1323 1902 2219 2586 2646 2853 3017 3879 4438 5706 6034 6657 7758 8559 9051 11637 13314 15533 17118 18102 19971 21119 23274 27153 31066 39942 42238 46599 54306 59913 63357 81459 93198 119826 126714 136627 139797 162918 190071 273254 279594 380142 409881 419391 570213 819762 838782 956389 1140426 1229643 1912778 2459286 2869167 3688929 5738334 6694723 7377858 8607501 13389446 17215002 20084169 25822503 40168338 51645006 60252507 120505014 180757521 361515042