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1307237628 = 223197607911
BaseRepresentation
bin100110111101010…
…1101110011111100
310101002210112220110
41031322231303330
510134123101003
6333414350020
744252223264
oct11572556374
93332715813
101307237628
116109a0a84
1230595b310
1317aaa03b8
14c58867a4
1579b6ea03
hex4deadcfc

1307237628 has 48 divisors (see below), whose sum is σ = 3074125824. Its totient is φ = 432344640.

The previous prime is 1307237623. The next prime is 1307237641. The reversal of 1307237628 is 8267327031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307237623) 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, 1434493 + ... + 1435403.

It is an arithmetic number, because the mean of its divisors is an integer number (64044288).

Almost surely, 21307237628 is an apocalyptic number.

It is an amenable number.

1307237628 is an abundant number, since it is smaller than the sum of its proper divisors (1766888196).

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

1307237628 is a wasteful number, since it uses less digits than its factorization.

1307237628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722 (or 1720 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 1307237628 is about 36155.7412868275. The cubic root of 1307237628 is about 1093.4145450367.

The spelling of 1307237628 in words is "one billion, three hundred seven million, two hundred thirty-seven thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 12 197 394 591 607 788 911 1182 1214 1821 1822 2364 2428 2733 3642 3644 5466 7284 10932 119579 179467 239158 358737 358934 478316 538401 552977 717474 717868 1076802 1105954 1434948 1658931 2153604 2211908 3317862 6635724 108936469 217872938 326809407 435745876 653618814 1307237628